[INFO] updating cached repository thoughtram/read-ext
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thoughtram/read-ext
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thoughtram/read-ext" "work/ex/beta-1.38-1/sources/1.37.0/gh/thoughtram/read-ext"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/thoughtram/read-ext'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thoughtram/read-ext" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 32067b0cc7176e66600c9d5e8e0bb5ed8dbd4309
[INFO] sha for GitHub repo thoughtram/read-ext: 32067b0cc7176e66600c9d5e8e0bb5ed8dbd4309
[INFO] validating manifest of thoughtram/read-ext on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thoughtram/read-ext on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thoughtram/read-ext
[INFO] finished frobbing thoughtram/read-ext
[INFO] frobbed toml for thoughtram/read-ext written to work/ex/beta-1.38-1/sources/1.37.0/gh/thoughtram/read-ext/Cargo.toml
[INFO] started frobbing thoughtram/read-ext
[INFO] finished frobbing thoughtram/read-ext
[INFO] frobbed toml for thoughtram/read-ext written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext/Cargo.toml
[INFO] crate thoughtram/read-ext already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing thoughtram/read-ext against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 196a9b054d644cc97cfd27d3dffbd570ca0edb21e569a3d4cc4ece7b6c7e751d
[INFO] running `"docker" "start" "-a" "196a9b054d644cc97cfd27d3dffbd570ca0edb21e569a3d4cc4ece7b6c7e751d"`
[INFO] [stderr]    Compiling readext v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "196a9b054d644cc97cfd27d3dffbd570ca0edb21e569a3d4cc4ece7b6c7e751d"`
[INFO] running `"docker" "rm" "-f" "196a9b054d644cc97cfd27d3dffbd570ca0edb21e569a3d4cc4ece7b6c7e751d"`
[INFO] [stdout] 196a9b054d644cc97cfd27d3dffbd570ca0edb21e569a3d4cc4ece7b6c7e751d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c6efbe150cedce9ee38be4960f641540f827b743d44b2a08028d7c8b0a453753
[INFO] running `"docker" "start" "-a" "c6efbe150cedce9ee38be4960f641540f827b743d44b2a08028d7c8b0a453753"`
[INFO] [stderr]    Compiling readext v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "c6efbe150cedce9ee38be4960f641540f827b743d44b2a08028d7c8b0a453753"`
[INFO] running `"docker" "rm" "-f" "c6efbe150cedce9ee38be4960f641540f827b743d44b2a08028d7c8b0a453753"`
[INFO] [stdout] c6efbe150cedce9ee38be4960f641540f827b743d44b2a08028d7c8b0a453753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/thoughtram/read-ext:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fda6890365f779bcaf1d7df93a731f2ca25fb5c83b27d0cc49422f0d978ff36b
[INFO] running `"docker" "start" "-a" "fda6890365f779bcaf1d7df93a731f2ca25fb5c83b27d0cc49422f0d978ff36b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/readext-91dabc6546062045
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-854226336ff3a9eb
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test can_read_into_vec ... ok
[INFO] [stdout] test can_read_into_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests readext
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fda6890365f779bcaf1d7df93a731f2ca25fb5c83b27d0cc49422f0d978ff36b"`
[INFO] running `"docker" "rm" "-f" "fda6890365f779bcaf1d7df93a731f2ca25fb5c83b27d0cc49422f0d978ff36b"`
[INFO] [stdout] fda6890365f779bcaf1d7df93a731f2ca25fb5c83b27d0cc49422f0d978ff36b